100000551051 has 16 divisors (see below), whose sum is σ = 148153842720. Its totient is φ = 66664838880.

The previous prime is 100000551047. The next prime is 100000551059. The reversal of 100000551051 is 150155000001.

100000551051 is a `hidden beast` number, since 100 + 0 + 0 + 0 + 5 + 510 + 51 = 666.

It is not a de Polignac number, because 100000551051 - 2² = 100000551047 is a prime.

It is a super-2 number, since 2×100000551051² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100000551059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1511281 + ... + 1576061.

It is an arithmetic number, because the mean of its divisors is an integer number (9259615170).

Almost surely, 2^100000551051 is an apocalyptic number.

100000551051 is a deficient number, since it is larger than the sum of its proper divisors (48153291669).

100000551051 is an equidigital number, since it uses as much as digits as its factorization.

100000551051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121963 (or 121957 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

Adding to 100000551051 its reverse (150155000001), we get a palindrome (250155551052).

The spelling of 100000551051 in words is "one hundred billion, five hundred fifty-one thousand, fifty-one".